ForceSyncDirectory.java

/*
 * Licensed to ElasticSearch and Shay Banon under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. ElasticSearch licenses this
 * file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.elasticsearch.index.store.support;

import java.io.IOException;

/**
 * A custom directory that allows to forceSync (since the actual directory might disable it)
 *
 *
 */
public interface ForceSyncDirectory {

    /**
     * Similar to {@link org.apache.lucene.store.Directory#sync(String)} but forces it even if its
     * disabled.
     */
    void forceSync(String name) throws IOException;
}